The green arrow and the black border represent the node's availability state,
UP.

This tile represents a service node with a global policy. Event rainbows are
displayed.

The event rainbow is the colored tabs on the right side of the tile. From top
to bottom, the rainbow shows the counts of critical, error, and warning events
that are associated with the node. The first example node has no events, so no
numbers are displayed. The second example node has 1 critical error.

When you click an event rainbow tab, Resource Manager displays the
overview page of the node.

This tile includes three dots immediately below its bottom border. The dots
represent descendant nodes. To display the descendant nodes, double-click the
node tile.

This tile represents a service node. The yellow icon and border represent the
node's availability state, ATRISK.

This tile represents a service node with a global policy. The red arrow and the
red border of the tile represent the node's availability state, DOWN.